1

Setup

  1. Create account and API key
  2. Optional: verify your domain for production sending
Add keys (functions env):
RESEND_API_KEY=re_...
RESEND_FROM_EMAIL=onboarding@resend.dev   # or noreply@yourdomain.com
2

Domain (optional)

Resend → Domains → Add domain → Add DNS records → Verify
3

Integration

Echo includes email templates (welcome, reset password, subscription updates). Configure the sender email and start sending.